Granted Patent
Utility
US 4,473,701 · App. 06/341,942
Lower alkyl 5-chloro-3,3-dimethyl-5-phenylthiopentanoates useful as insecticide intermediates
Inventors:
Kiyoshi Kondo, Toshiyuki Takashima, Minoru Suda
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Jan 22, 1982
Inventors
Kiyoshi Kondo
Toshiyuki Takashima
Minoru Suda
Assignee (at issue)
FMC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.